:root {
  --primary-color: #1890ff;
  --text-color: #333;
  --text-color-secondary: #666;
  --border-color: #ddd;
  --bg-color: #f5f5f5;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  color: var(--text-color);
  line-height: 1.5;
}

a {
  text-decoration: none;
  color: inherit;
} 